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authorChristoph Hellwig <hch@lst.de>2021-06-02 09:53:44 +0300
committerJens Axboe <axboe@kernel.dk>2021-06-11 11:54:43 -0600
commitfd71c8a8ac77242661fff4af39593cd606a90a41 (patch)
treec3016a650e7718be1f0a8a6aa085637bf21dc341 /drivers/block/ataflop.c
parentf6d8297412f882a2eabbf026f0d98449ae14e0fe (diff)
ataflop: use blk_mq_alloc_disk and blk_cleanup_disk
Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and request_queue allocation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Link: https://lore.kernel.org/r/20210602065345.355274-30-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/ataflop.c')
-rw-r--r--drivers/block/ataflop.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index d601e49f80e0..a093644ac39f 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1968,22 +1968,14 @@ static const struct blk_mq_ops ataflop_mq_ops = {
static int ataflop_alloc_disk(unsigned int drive, unsigned int type)
{
struct gendisk *disk;
- int ret;
-
- disk = alloc_disk(1);
- if (!disk)
- return -ENOMEM;
- disk->queue = blk_mq_init_queue(&unit[drive].tag_set);
- if (IS_ERR(disk->queue)) {
- ret = PTR_ERR(disk->queue);
- disk->queue = NULL;
- put_disk(disk);
- return ret;
- }
+ disk = blk_mq_alloc_disk(&unit[drive].tag_set, NULL);
+ if (IS_ERR(disk))
+ return PTR_ERR(disk);
disk->major = FLOPPY_MAJOR;
disk->first_minor = drive + (type << 2);
+ disk->minors = 1;
sprintf(disk->disk_name, "fd%d", drive);
disk->fops = &floppy_fops;
disk->events = DISK_EVENT_MEDIA_CHANGE;